feat: make the installation challenge harder

scripts/convert_words.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Check if input and output files are provided
+if [ $# -ne 2 ]; then
+    echo "Usage: $0 input_file.txt output_file.txt"
+    exit 1
+fi
+
+# Check if the input file exists
+if [ ! -f "$1" ]; then
+    echo "Error: File '$1' not found"
+    exit 1
+fi
+
+# Store output file name
+output_file="$2"
+
+# Clear output file at the beginning
+> "$output_file"
+
+# Process file using a pipeline of specialized tools
+# 1. tr - remove non-alphabetic chars except newlines
+# 2. tr - convert to uppercase 
+# 3. grep - filter by length (5-8 characters)
+# 4. sort - sort the words alphabetically
+# 5. uniq - remove duplicates
+tr -cd 'a-zA-Z\n' < "$1" | tr '[:lower:]' '[:upper:]' | grep -x '.\{5,8\}' | sort | uniq > "$output_file"
+
+echo "Processing complete. Results saved to '$output_file'"

scripts/install_pacman_wrapper.sh

@@ -57,55 +57,4 @@ sed -i 's|PACMAN_BIN="\/usr\/bin\/pacman"|PACMAN_BIN="\/usr\/bin\/pacman.orig"|g
 echo -e "${BLUE}Creating symbolic link...${NC}"
 ln -sf "$WRAPPER_DEST" /usr/bin/pacman
 echo -e "${GREEN}Installation complete!${NC}"
-echo -e "Pacman is now wrapped. The original pacman is available at ${CYAN}/usr/bin/pacman.orig${NC}"
-
-# Create uninstaller
-echo -e "${BLUE}Creating uninstaller...${NC}"
-cat > "${INSTALL_DIR}/uninstall_pacman_wrapper.sh" << EOF
-#!/bin/bash
-# Uninstall script for pacman wrapper
-
-# Colors
-RED='\033[0;31m'
-GREEN='\033[0;32m'
-YELLOW='\033[0;33m'
-BLUE='\033[0;34m'
-NC='\033[0m' # No Color
-
-if [ "\$EUID" -ne 0 ]; then
-  echo -e "\${RED}Please run as root\${NC}"
-  exit 1
-fi
-
-echo -e "\${BLUE}Uninstalling pacman wrapper...\${NC}"
-
-# Remove alias if exists
-if [ -f /etc/profile.d/pacman-wrapper.sh ]; then
-  echo -e "\${YELLOW}Removing alias file...\${NC}"
-  rm /etc/profile.d/pacman-wrapper.sh
-fi
-
-# Restore original pacman if needed
-if [ -L /usr/bin/pacman ] && [ -f /usr/bin/pacman.orig ]; then
-  echo -e "\${YELLOW}Restoring original pacman...\${NC}"
-  rm /usr/bin/pacman
-  cp /usr/bin/pacman.orig /usr/bin/pacman
-fi
-
-# Remove wrapper
-if [ -f "${WRAPPER_DEST}" ]; then
-  echo -e "\${YELLOW}Removing wrapper script...\${NC}"
-  rm "${WRAPPER_DEST}"
-fi
-
-echo -e "\${GREEN}Pacman wrapper has been uninstalled.\${NC}"
-echo -e "\${YELLOW}Note:\${NC} You may need to log out and log back in for changes to take effect."
-
-# Self-destruct
-rm "\$0"
-EOF
-
-chmod +x "${INSTALL_DIR}/uninstall_pacman_wrapper.sh"
-
-echo -e "${CYAN}To uninstall, run: ${BOLD}sudo ${INSTALL_DIR}/uninstall_pacman_wrapper.sh${NC}"
-echo -e "${GREEN}Thank you for installing the pacman wrapper!${NC}"
+echo -e "Pacman is now wrapped. The original pacman is available at ${CYAN}/usr/bin/pacman.orig${NC}"

scripts/pacman_wrapper.sh

@@ -77,7 +77,7 @@ function prompt_for_math_solution() {
     echo -e "${YELLOW}WARNING: You are trying to install a restricted package.${NC}"
     echo -e "${YELLOW}Challenge will begin shortly...${NC}"
     
-    # Sleep for random 5-10 seconds
+    # Sleep for random 20-40 seconds
     sleep_duration=$((RANDOM % 20 + 20))
     sleep $sleep_duration
     
@@ -90,9 +90,20 @@ function prompt_for_math_solution() {
         echo -e "${RED}Error: words.txt file not found at $words_file${NC}"
         return 1
     fi
+    
+    # Filter words by length (5-8 characters) and load random words
     words_count=160
-    # Load ${words_count} random words
-    mapfile -t selected_words < <(shuf -n $words_count "$words_file")
+    mapfile -t selected_words < <(grep -E '^[a-zA-Z]{5,8}$' "$words_file" | shuf -n $words_count)
+    
+    # If we couldn't get enough words of the right length
+    if [[ ${#selected_words[@]} -lt $words_count ]]; then
+        echo -e "${RED}Warning: Could only find ${#selected_words[@]} words of the required length.${NC}"
+        words_count=${#selected_words[@]}
+        if [[ $words_count -eq 0 ]]; then
+            echo -e "${RED}Error: No words of length 5-8 found in $words_file${NC}"
+            return 1
+        fi
+    fi
     
     # Convert all words to uppercase
     for i in "${!selected_words[@]}"; do
@@ -101,7 +112,7 @@ function prompt_for_math_solution() {
     
     echo -e "${CYAN}Here are ${words_count} random words. Remember them:${NC}"
     
-    # Display the words in a 5x4 grid (5 rows, 4 columns)
+    # Display the words in a grid (4 columns)
     for (( i=0; i<words_count; i++ )); do
         printf "${BLUE}%-15s${NC}" "${selected_words[$i]}"
         if (( (i+1) % 4 == 0 )); then